true http://localhost:8080/ #channel,@user true true true true true true true true true true true AUTHORS_AND_TITLES true non-secure-webhook-token secret-text-id The Black The Red red The Blue blue The navy blue The White title_link true white All&all true message_link author_name author_link author_icon http://hostname/thumb.png http://hostname/image.jpg http://hostname/audio.mp3 http://hostname/video.avi Hello World!